Opisthosyllis brunnea Langerhans, 1879

Opisthosyllis brunnea Langerhans, 1879: 541, fig. 7.— Augener, 1918: 274, text.–fig. 25.— Day, 1967: 253, figs 12. 5c–e.— Cantone, 1976: 229, figs 2, 3.— Fauvel, 1953: 155, fig. 78.— Hartmann-Schröder, 1979: 86; 1980: 48; 1981: 24; 1982: 58; 1991: 25, fig. 19.— San Martín, 2003: 330, fig. 183.— San Martín et al., 2008b: figs 23–26, 16a–i, 17a–b.

Non Opisthosyllis brunnea Imajima, 1966b: 230, text. fig. 42.— Lee & Rho, 1994: 135, fig. 2.

Opisthosyllis nuchalis Verrill, 1900: 620 .— Monro, 1933: 254, figs 7a–c.

Opisthosyllis australis Augener, 1913 (in part): 218, pl. 28, fig. 35.

Material examined. EAST TIMOR. East of Atauro Island, 08°13’ 48”S 125°36’56”E, outer reef, coral reef slope, fine-leaved Halimeda sp., 15 m depth, 20 Sep 2012, coll. L.E. Hughes, 1 spec. (AM W.45644) .

Habitat. In amongst dead corals, algae, sponges and other biological concretions; from intertidal to shallow depths (San Martín et al. 2008b).

Distribution. Circumtropical, including the Mediterranean Sea (San Martín 2003) and Australia (Western Australia, New South Wales, Queensland; San Martín et al. 2008b). First record for East Timor.